%-from boston. the irs says boston taxpayers will be granted extensions ontheirtaxreturns.every little bit helps. that is my "2 cents more." a great night and we will see rebecca tomorrow evening. ♪ lou: lou: good evening and thank you for being with us. details tonight emerging about yesterday's horrific terrorist attack and the boston marathon. the two explosions on boils some street wounded 176 by standards. three people killed. martin richard lost his life in the explosion that also left his brother and sister critically wounded. waiting by the finish line to hug his father and to congratulate him for finishing a marathon. 29-year-old crystal campbell also killed in the attack after adding to the finish line to take a picture of a friend was completing the race. the third victim has now been identified as a graduate student from boston university, but her name has not been released pending notification of next of kin. seventeen other victims tonight remain in critical condition. some have lost limbs or arms, many have suffered severe injuries to their legs. doctors operate